Crisis energética: El futuro de los combustibles fósiles (Energy Crisis: The Future of Fossil Fuels)

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.

La separación de los padres no es fácil para nadie, y menos para los niños. Este librito ayuda a los pequeños a superar este paso. Emily Menéndez-Aponte (hija de padres separados) ofrece una guía llena de ternura y realismo para que los niños comprendan que la separación de sus padres no es culpa de los hijos y que ellos siempre tendrán quien los quiera y los cuide. Ofrece consejos para sobreponerse a los sentimientos confusos y solucionar los problemas que se puedan presentar, como conflictos deslealtad o cambios de planes. Las ilustraciones de este libro y sus profundos contenidos...

Immigrants help make the United States a special place. Learn all about the history of immigration to the United States as you sharpen your data measurement skills! This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, sidebars, and math diagrams extend the learning experience and provide multiple...

Describes the life and times of the well-known hero of the American Revolution, Paul Revere, a patriot and silversmith whose midnight ride was made famous in a poem by Henry Wadsworth Longfellow.

A selection of children's poems by Rafael Alberti, Federico García Lorca, Ramón Gómez de la Serna, José A. Goytisolo, Nicolás Guillén, and others.